package com.lyz.staticdemo;

/**
 * @ClassName D4_Text
 * @Description 使用工具类
 * @Author 2214361854
 * @Date 2022/2/17 21:41
 * @Version 1.0
 */
public class D4_Text {
    public static void main(String[] args) {
        int[] arr = {11,21,31,46,15};
        double[] arrde = {11.1,21.3,31.11,46.2,15.1};
        int[] arrnull = null;
        System.out.println(D4_ArrayUtils.getAerage(arrde));
        System.out.println(D4_ArrayUtils.getAerage(arr));
        System.out.println(D4_ArrayUtils.toString(arrde));
        System.out.println(D4_ArrayUtils.toString(arr));
        System.out.println(D4_ArrayUtils.toString(arrnull));
    }
}
